基于信息熵的模糊控制系统稳定性分析.pdf

221JOURNALOFNATIONALUNIVERSITYOFDEFENSETECHNOLOGYVo.22No.12000

:10012486(2000)

张湘平,贺汉根

(,410073)

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StabilityAnalysisofFuzzyControlSystems

BasedonInformationEntropy

ZHANGXiangping,HEHangen

(CoegeofMechatronicsEngineeringandAutomation,NationaUniv.ofDefenseTechnoogy,Changsha410073,China)

Abstract:Consideringthecompexityandnonperfectionofthestabiityanaysisinfuzzycontrosystems,weusedtheviewofin

formationtheorytostudythisprobem.BasedonLyapunovstabiityanaysisaw,theprobemisdeepyresearchedanddiscussedbyin

troducingtheconceptofinformationentropy.Throughconsideringcomprehensiveythedynamiccharacteristicandstabiityboundaryof

fuzzycontrosystems,thestabiitydefinitionoffuzzycontrosystemsisgiven,andanewstabiitysufficientconditionoffuzzysystemsis

provedbystrictmathematicadeducing.

Keywords:fuzzycontro;stabiity;informationentropy

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